Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
10006excellentexcellent11excellent
09004excellentexcellent11excellent
08006excellentexcellent11excellent
07006excellentexcellent11excellent
06009excellentexcellent11excellent
05007excellentexcellent11excellent
04008excellentexcellent11excellent
03009excellentexcellent11excellent
020010excellentexcellent11excellent
010010excellentexcellent11excellent
00007excellentexcellent11excellent
23007excellentexcellent11excellent
220010excellentexcellent11excellent
21008excellentexcellent11excellent
20008excellentexcellent11excellent
19005excellentexcellent11excellent
18004excellentexcellent11excellent
17003excellentexcellent11excellent
16003excellentexcellent11excellent
15004excellentexcellent11excellent
14003excellentexcellent11excellent
13003excellentexcellent11excellent
12004excellentexcellent11excellent
11006excellentexcellent11excellent